. Which of the following fertilizers has the highest nitrogen percentage
(a) Ammonium sulphate
(b) Calcium cyanamide
(d) Ammonium nitrate
Correct Option is: (C)
Chemical formula of Urea is (NH2CONH2) and percentage of N content = 28/60×100 = 46.66%
Ammonium nitrate is a chemical compound with the chemical formula NH4NO3. It has 35.0% of nitrogen content.
The chemical formula of Calcium cyanide is Ca(CN)2 and its nitrogen content is 35.0%.
The chemical formula of Ammonium sulphate is (NH4)2SO4 and its nitrogen content is 21.2%